/* roulang page: index */
:root{
  --bg:#0A0E13;
  --panel:#10161D;
  --panel-2:#141C25;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.09);
  --line:rgba(140,180,230,.16);
  --line-strong:rgba(140,180,230,.32);
  --blue:#2C7BFF;
  --orange:#FF6A2B;
  --silver:#B8C4CE;
  --green:#35D0A5;
  --text:#E6EDF3;
  --muted:#93A2B0;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --pill:999px;
  --sec:96px;
  --shadow-card:0 20px 50px rgba(0,0,0,.45);
  --ease:160ms cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(44,123,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(44,123,255,.055) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background:linear-gradient(115deg,transparent 18%,rgba(44,123,255,.07) 44%,transparent 64%);
  pointer-events:none;
  z-index:0;
}
.site-header,main,.site-footer{position:relative;z-index:1}

img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
a:hover{color:var(--orange)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px}

.grid-container{max-width:1240px;padding-left:24px;padding-right:24px}
@media screen and (max-width:1024px){.grid-container{padding-left:20px;padding-right:20px}}
@media screen and (max-width:640px){.grid-container{padding-left:16px;padding-right:16px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 24px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{background:var(--orange);color:#170902;box-shadow:0 6px 22px rgba(255,106,43,.38)}
.btn-primary:hover{background:#ff7d45;color:#170902;transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,106,43,.5)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(255,106,43,.35)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--blue);color:#fff;background:rgba(44,123,255,.12);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}

.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-weight:600;font-size:15px}
.text-link::after{content:"→";transition:transform var(--ease)}
.text-link:hover{color:var(--orange)}
.text-link:hover::after{transform:translateX(4px)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--pill);
  background:rgba(44,123,255,.14);border:1px solid rgba(44,123,255,.35);
  color:#9CC4FF;font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge-sm{padding:3px 10px;font-size:12px}
.eyebrow{
  display:inline-block;margin-bottom:14px;
  color:var(--orange);font-size:13px;font-weight:700;letter-spacing:.14em;
}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;padding:14px 0;z-index:60;transition:padding var(--ease)}
.site-header.is-scrolled{padding:8px 0}
.nav-shell{
  display:flex;align-items:center;gap:14px;
  padding:9px 10px 9px 22px;border-radius:var(--pill);
  background:rgba(16,22,29,.72);border:1px solid var(--line);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:0 14px 34px rgba(0,0,0,.35);
  transition:background-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled .nav-shell{background:rgba(10,14,19,.94);box-shadow:0 20px 44px rgba(0,0,0,.55)}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.01em;color:#fff;white-space:nowrap}
.brand:hover{color:#fff}
.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--orange);box-shadow:0 0 12px rgba(255,106,43,.9);flex:0 0 10px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:var(--pill);
  font-size:15px;font-weight:500;color:var(--muted);border:1px solid transparent;
}
.nav-links a:hover{color:#fff;background:var(--glass)}
.nav-links a.active{color:#fff;background:rgba(44,123,255,.18);border-color:rgba(44,123,255,.42)}
.nav-cta{margin-left:6px;min-height:44px;padding:10px 22px}
.nav-toggle{
  display:none;position:relative;width:44px;height:44px;flex:0 0 44px;
  border-radius:var(--pill);border:1px solid var(--line);background:var(--glass);cursor:pointer;
}
.nav-toggle span{position:absolute;left:13px;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--ease),opacity var(--ease)}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;inset:0;z-index:55;display:none;flex-direction:column;
  padding:104px 24px 40px;gap:8px;
  background:rgba(8,11,16,.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
}
.mobile-drawer.is-open{display:flex}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 18px;border-radius:14px;border:1px solid var(--line);
  background:var(--glass);font-size:17px;font-weight:600;color:var(--text);
}
.mobile-drawer a.active{border-color:rgba(44,123,255,.5);background:rgba(44,123,255,.16);color:#fff}
.mobile-drawer a .dm-arrow{color:var(--muted);font-weight:400}
.mobile-drawer .btn{margin-top:14px;width:100%}

@media screen and (max-width:900px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .nav-shell{padding:8px 8px 8px 18px}
}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 88px}
.hero-copy .badge{margin-bottom:20px}
.hero h1{
  font-size:clamp(30px,4.6vw,54px);
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero-sub{font-size:clamp(16px,1.5vw,19px);color:var(--muted);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14.5px;color:var(--silver)}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 10px rgba(53,208,165,.8)}

.hero-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.hero-media img{width:100%;height:100%;min-height:360px;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(180deg,rgba(10,14,19,.12) 0%,rgba(10,14,19,.78) 100%),
    repeating-linear-gradient(90deg,rgba(184,196,206,.1) 0 1px,transparent 1px 42px);
}
.hero-tag{
  position:absolute;z-index:3;left:18px;top:18px;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:var(--pill);
  background:rgba(10,14,19,.72);border:1px solid var(--line-strong);
  font-size:13px;font-weight:600;color:#DCE7F1;
}
.hero-tag i{width:8px;height:8px;border-radius:50%;background:var(--green);display:block}
.hero-stat{
  position:absolute;z-index:3;left:18px;right:18px;bottom:18px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 18px;border-radius:14px;
  background:rgba(10,14,19,.78);border:1px solid var(--line-strong);
  backdrop-filter:blur(10px);
}
.hero-stat strong{display:block;font-size:24px;font-variant-numeric:tabular-nums;color:var(--green);line-height:1.2}
.hero-stat span{font-size:13px;color:var(--muted)}
.hero-stat .hs-divider{width:1px;align-self:stretch;background:var(--line)}

@media screen and (max-width:900px){
  .hero{padding:36px 0 56px}
  .hero-media{margin-top:32px}
  .hero-media img{min-height:260px}
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section-alt{background:linear-gradient(180deg,rgba(16,22,29,0) 0%,rgba(16,22,29,.85) 18%,rgba(16,22,29,.85) 82%,rgba(16,22,29,0) 100%)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px}
.sec-title{font-size:clamp(26px,3vw,34px)}
.sec-desc{color:var(--muted);max-width:600px;font-size:15.5px;margin:0}
@media screen and (max-width:768px){:root{--sec:64px}}
@media screen and (max-width:520px){:root{--sec:52px}}

/* ---------- 指标看板 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
  position:relative;padding:26px 24px;border-radius:var(--r-card);
  background:linear-gradient(165deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid var(--line);box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform var(--ease),border-color var(--ease);
}
.stat-card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,rgba(44,123,255,.9),rgba(255,106,43,.5),transparent)}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(44,123,255,.45)}
.stat-num{display:flex;align-items:baseline;gap:4px;font-variant-numeric:tabular-nums;font-weight:800;font-size:40px;line-height:1;color:#fff;letter-spacing:-.02em}
.stat-num small{font-size:16px;font-weight:600;color:var(--blue)}
.stat-label{margin-top:14px;font-size:14px;color:var(--muted)}
.stat-line{margin-top:16px;height:4px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.stat-line i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--orange))}

@media screen and (max-width:1024px){.stats{grid-template-columns:repeat(2,1fr)}}
@media screen and (max-width:520px){.stats{grid-template-columns:repeat(2,1fr);gap:12px}.stat-num{font-size:32px}.stat-card{padding:20px 16px}}

/* ---------- 服务矩阵 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.svc-card{
  position:relative;padding:28px;border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.svc-card:hover{transform:translateY(-4px);border-color:rgba(44,123,255,.5);box-shadow:0 26px 60px rgba(0,0,0,.5),0 0 0 1px rgba(44,123,255,.2)}
.svc-card h3{font-size:21px;margin-bottom:10px}
.svc-card p{color:var(--muted);font-size:15px;margin-bottom:16px}
.svc-no{
  display:inline-block;margin-bottom:12px;font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--orange);font-variant-numeric:tabular-nums;
}
.svc-card--main{grid-column:span 7;display:flex;flex-direction:column;gap:20px}
.svc-card--main .svc-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.svc-card--main .svc-media img{width:100%;height:210px;object-fit:cover}
.svc-card--main .svc-body{flex:1}
.svc-card--photo{grid-column:span 5;padding:0;overflow:hidden;min-height:300px;display:flex}
.svc-card--photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.svc-photo-overlay{
  position:relative;z-index:2;flex:1;display:flex;flex-direction:column;justify-content:flex-end;
  padding:28px;background:linear-gradient(180deg,rgba(10,14,19,.1) 0%,rgba(10,14,19,.9) 100%);
}
.svc-card--photo h3{font-size:22px}
.svc-card--photo p{margin-bottom:0}
.svc-sm{grid-column:span 4}
.svc-wide{grid-column:span 12;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;background:linear-gradient(120deg,rgba(44,123,255,.16),rgba(255,106,43,.08))}
.svc-wide .svc-text{max-width:640px}
.svc-wide h3{margin-top:6px}
.svc-wide p{margin-bottom:0}
.mini-list{display:flex;flex-wrap:wrap;gap:8px 18px;margin:0 0 16px;font-size:14px;color:var(--silver)}
.mini-list li{display:flex;align-items:center;gap:7px}
.mini-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--blue)}

@media screen and (max-width:1024px){
  .svc-card--main{grid-column:span 12}
  .svc-card--photo{grid-column:span 12}
  .svc-sm{grid-column:span 6}
  .svc-wide{grid-column:span 12}
}
@media screen and (max-width:640px){
  .svc-sm{grid-column:span 12}
  .svc-card{padding:22px}
}

/* ---------- 对比区 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-panel{padding:28px;border-radius:var(--r-card);border:1px solid var(--line)}
.compare-panel.before{background:rgba(255,255,255,.03)}
.compare-panel.after{background:linear-gradient(160deg,rgba(44,123,255,.18),rgba(255,106,43,.08));border-color:rgba(44,123,255,.4);box-shadow:0 20px 50px rgba(0,0,0,.45)}
.cp-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;margin-bottom:8px;border-bottom:1px solid var(--line)}
.cp-head h3{font-size:19px}
.cp-head p{font-size:13px;color:var(--muted);margin:0}
.cmp-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(140,180,230,.14)}
.cmp-row:last-child{border-bottom:0}
.cmp-name{flex:0 0 108px;font-size:14px;color:var(--silver)}
.cmp-val{flex:0 0 76px;font-variant-numeric:tabular-nums;font-weight:700;font-size:15px}
.before .cmp-val{color:var(--muted)}
.after .cmp-val{color:#fff}
.bar{flex:1;height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;min-width:60px}
.bar i{display:block;height:100%;border-radius:999px}
.before .bar i{background:rgba(184,196,206,.5)}
.after .bar i{background:linear-gradient(90deg,var(--blue),var(--green))}

@media screen and (max-width:768px){
  .compare{grid-template-columns:1fr}
  .cmp-name{flex:0 0 84px;font-size:13px}
  .cmp-val{flex:0 0 66px;font-size:14px}
}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.step{
  position:relative;padding:24px 20px;border-radius:var(--r-card);
  background:var(--panel);border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease);
}
.step:hover{border-color:rgba(44,123,255,.45);transform:translateY(-3px)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;margin-bottom:14px;
  background:rgba(44,123,255,.16);border:1px solid rgba(44,123,255,.4);
  color:#9CC4FF;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px;margin:0}
@media screen and (max-width:1024px){.steps{grid-template-columns:repeat(3,1fr)}}
@media screen and (max-width:640px){.steps{grid-template-columns:1fr}}

/* ---------- 最新信息 ---------- */
.post-col{margin-bottom:22px}
.post-card{
  display:flex;flex-direction:column;height:100%;
  border-radius:var(--r-card);overflow:hidden;
  background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(44,123,255,.5)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:#0d1319;border-bottom:1px solid var(--line)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-title{
  font-size:18px;margin:12px 0 10px;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-sum{
  color:var(--muted);font-size:14.5px;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.empty-card{
  padding:48px 24px;text-align:center;border-radius:var(--r-card);
  background:var(--panel);border:1px dashed var(--line-strong);color:var(--muted);
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--text);transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--orange)}
.faq-icon{
  position:relative;flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line-strong);transition:border-color var(--ease),transform var(--ease);
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--orange);border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px;transition:transform var(--ease),opacity var(--ease)}
.faq-item[open] .faq-icon{border-color:var(--orange)}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-body{padding:0 4px 24px;color:var(--muted);font-size:15.5px;max-width:860px}
.faq-body p{margin:0}

/* ---------- 表单 ---------- */
.contact-panel{
  border-radius:var(--r-card);border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  box-shadow:var(--shadow-card);overflow:hidden;
}
.contact-info{padding:38px 32px;border-right:1px solid var(--line)}
.contact-info h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:14px}
.contact-info>p{color:var(--muted);font-size:15px;margin-bottom:26px}
.info-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed rgba(140,180,230,.14);font-size:14.5px}
.info-list li:last-child{border-bottom:0}
.info-list b{flex:0 0 78px;color:var(--silver);font-weight:600}
.info-list span{color:var(--muted)}
.contact-form{padding:38px 32px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:span 2}
.field label{font-size:13.5px;color:var(--silver);font-weight:600}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-btn);
  background:rgba(10,14,19,.7);border:1px solid var(--line);
  color:var(--text);transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(44,123,255,.18);
}
.field input.is-error,.field select.is-error{border-color:#ff5c5c;box-shadow:0 0 0 3px rgba(255,92,92,.15)}
.field-error{display:none;font-size:12.5px;color:#ff8080}
.field-error.is-show{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted)}
.check-row input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--orange)}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:6px}
.form-note{font-size:13px;color:var(--muted)}
.form-success{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-btn);
  background:rgba(53,208,165,.12);border:1px solid rgba(53,208,165,.45);
  color:#8DF0D3;font-size:14.5px;
}
.form-success.is-show{display:block}
@media screen and (max-width:1024px){
  .contact-info{border-right:0;border-bottom:1px solid var(--line)}
}
@media screen and (max-width:640px){
  .contact-info,.contact-form{padding:26px 20px}
  .form-grid{grid-template-columns:1fr}
  .field.full{grid-column:span 1}
}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(10,14,19,.86);padding:64px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col p{font-size:14px;color:var(--muted);max-width:300px}
.footer-col li{margin-bottom:11px}
.footer-col li a{font-size:14.5px;color:var(--muted)}
.footer-col li a:hover{color:var(--orange)}
.footer-qr{
  margin-top:16px;width:104px;height:104px;border-radius:12px;
  border:1px dashed var(--line-strong);background:var(--glass);
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);font-size:12px;text-align:center;padding:8px;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 26px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}
@media screen and (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media screen and (max-width:560px){.footer-grid{grid-template-columns:1fr;gap:26px}}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:50;
  width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(16,22,29,.9);border:1px solid var(--line-strong);color:var(--text);
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--ease),visibility var(--ease),transform var(--ease),border-color var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--orange);color:var(--orange)}
@media screen and (max-width:520px){.to-top{right:14px;bottom:14px;width:42px;height:42px}}

/* roulang page: article */
:root{
  --bg:#0A0E13;
  --bg-2:#10161D;
  --bg-3:#0c1219;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.085);
  --line:rgba(184,196,206,.16);
  --line-soft:rgba(184,196,206,.09);
  --primary:#2C7BFF;
  --primary-dim:rgba(44,123,255,.16);
  --accent:#FF6A2B;
  --accent-dim:rgba(255,106,43,.14);
  --silver:#B8C4CE;
  --ok:#35D0A5;
  --text:#E6EDF3;
  --muted:#93A2B0;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-card:0 20px 50px rgba(0,0,0,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-fast:.16s var(--ease);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(184,196,206,.038) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,196,206,.038) 1px, transparent 1px);
  background-size:64px 64px, 64px 64px;
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.8;
  overflow-x:hidden;
  position:relative;
}
body::before{
  content:"";
  position:fixed;
  inset:-10%;
  background:
    linear-gradient(115deg, transparent 30%, rgba(44,123,255,.075) 48%, transparent 62%),
    linear-gradient(115deg, transparent 62%, rgba(255,106,43,.045) 76%, transparent 88%);
  pointer-events:none;
  z-index:0;
}
body.drawer-open{overflow:hidden}
main{position:relative;z-index:1}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--ease-fast),border-color var(--ease-fast)}
a:hover{color:#7fb0ff}
h1,h2,h3,h4,h5{margin:0;font-family:inherit;color:var(--text);font-weight:700;line-height:1.3;letter-spacing:-.012em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:rgba(44,123,255,.35);color:#fff}

:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

/* ---------- Foundation overrides ---------- */
.grid-container{max-width:1240px;padding-left:24px;padding-right:24px}
h1,h2,h3,h4,h5{font-family:inherit}
ul,ol{margin-left:0}
button,.button{margin:0}

/* ---------- Layout helpers ---------- */
.section{padding:var(--space,96px) 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px}
.section-head h2{font-size:clamp(24px,3vw,32px);letter-spacing:-.02em}
.section-head p{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px}
.section-more{font-size:15px;font-weight:600;color:var(--silver);display:inline-flex;align-items:center;gap:8px;white-space:nowrap;border-bottom:1px solid rgba(184,196,206,.3);padding-bottom:2px}
.section-more:hover{color:var(--accent);border-color:var(--accent)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--silver);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:inline-block}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 24px;border-radius:12px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform var(--ease-fast),box-shadow var(--ease-fast),background var(--ease-fast),border-color var(--ease-fast),filter var(--ease-fast),color var(--ease-fast);
}
.btn i{font-size:14px}
.btn-primary{background:var(--accent);color:#12161b;box-shadow:0 6px 22px rgba(255,106,43,.38)}
.btn-primary:hover{color:#12161b;filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 12px 32px rgba(255,106,43,.5)}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 4px 14px rgba(255,106,43,.32)}
.btn-ghost{background:transparent;border-color:rgba(184,196,206,.32);color:var(--text)}
.btn-ghost:hover{color:#fff;border-color:var(--primary);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(44,123,255,.35),0 10px 26px rgba(44,123,255,.2)}
.btn-ghost:active{transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;cursor:not-allowed}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:10px}

/* ---------- Badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:var(--primary-dim);border:1px solid rgba(44,123,255,.3);color:#a9caff;
}
.badge-accent{background:var(--accent-dim);border-color:rgba(255,106,43,.32);color:#ffb08a}
.badge-ok{background:rgba(53,208,165,.13);border-color:rgba(53,208,165,.3);color:#7ce7c4}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;padding:5px 11px;border-radius:999px;font-size:12.5px;color:var(--muted);background:var(--glass);border:1px solid var(--line-soft)}
.tag:hover{color:var(--text);border-color:var(--line)}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:18px 0 10px;transition:padding .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease)}
.site-header.is-scrolled{padding:12px 0 10px;background:rgba(10,14,19,.86);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line-soft)}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:9px 12px 9px 20px;
  border-radius:999px;
  background:rgba(16,22,29,.72);
  border:1px solid rgba(184,196,206,.14);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 14px 40px rgba(0,0,0,.4);
}
.site-header.is-scrolled .nav-shell{background:rgba(16,22,29,.9);border-color:rgba(44,123,255,.24)}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text);white-space:nowrap;letter-spacing:-.01em}
.brand:hover{color:#fff}
.brand-mark{width:12px;height:12px;border-radius:3px;background:var(--accent);box-shadow:0 0 14px rgba(255,106,43,.85);flex:none}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.1em;line-height:1}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  position:relative;padding:9px 15px;border-radius:999px;
  font-size:15px;color:var(--muted);text-decoration:none;white-space:nowrap;
  transition:color var(--ease-fast),background var(--ease-fast);
}
.nav-links a:hover{color:var(--text);background:var(--glass)}
.nav-links a.active{color:#fff;background:var(--primary-dim)}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--accent);box-shadow:0 0 8px rgba(255,106,43,.9);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:46px;height:46px;flex:none;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--ease-fast),opacity var(--ease-fast)}
.nav-toggle.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;inset:0;z-index:59;
  background:rgba(8,11,15,.92);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .2s var(--ease),visibility .2s var(--ease);
  padding:110px 24px 40px;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;pointer-events:auto}
.drawer-inner{display:flex;flex-direction:column;gap:6px;max-width:420px;margin:0 auto}
.drawer-inner a{
  padding:16px 18px;border-radius:14px;font-size:17px;font-weight:600;color:var(--text);
  background:var(--glass);border:1px solid var(--line-soft);
}
.drawer-inner a:hover{background:var(--glass-2);border-color:var(--line);color:#fff}
.drawer-inner a.active{background:var(--primary-dim);border-color:rgba(44,123,255,.34);color:#fff}
.drawer-inner .btn{margin-top:14px;justify-content:center}

/* ---------- Breadcrumb ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:rgba(184,196,206,.4)}
.breadcrumb [aria-current]{color:var(--silver);max-width:560px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Article hero ---------- */
.article-hero{position:relative;padding:52px 0 46px;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(10,14,19,.78),rgba(10,14,19,.96)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center 30%;
  opacity:.62;z-index:0;
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(44,123,255,.5),rgba(255,106,43,.35),transparent);
}
.article-hero .grid-container{position:relative;z-index:1}
.article-head{max-width:940px}
.article-head h1{
  font-size:clamp(27px,4.1vw,44px);
  line-height:1.26;letter-spacing:-.022em;
  margin:16px 0 20px;font-weight:700;color:#fff;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13.5px;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--primary);font-size:13px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(184,196,206,.4)}

/* ---------- Article body ---------- */
.article-body-section{padding:52px 0 24px}
.article-content{
  max-width:812px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--text);
  word-break:break-word;
}
.article-content > *:first-child{margin-top:0}
.article-content p{margin:0 0 1.25em;color:#dbe5ee}
.article-content h2{
  position:relative;margin:2.1em 0 .85em;padding-left:18px;
  font-size:clamp(21px,2.4vw,27px);line-height:1.4;color:#fff;letter-spacing:-.015em;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(44,123,255,.5);
}
.article-content h3{margin:1.7em 0 .6em;font-size:20px;color:#fff;font-weight:600}
.article-content h4{margin:1.4em 0 .5em;font-size:17px;color:var(--silver);font-weight:600}
.article-content ul,.article-content ol{margin:0 0 1.25em;padding-left:1.35em;list-style:revert}
.article-content li{margin:.45em 0;color:#dbe5ee}
.article-content ul li::marker{color:var(--primary)}
.article-content ol li::marker{color:var(--accent);font-weight:600}
.article-content img{
  max-width:100%;height:auto;margin:1.7em auto;border-radius:14px;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.article-content figure{margin:1.7em 0}
.article-content figure img{margin:0 auto}
.article-content figcaption{margin-top:12px;text-align:center;font-size:13.5px;color:var(--muted)}
.article-content blockquote{
  margin:1.7em 0;padding:18px 22px;
  background:var(--glass);border-left:3px solid var(--accent);
  border-radius:0 14px 14px 0;color:var(--silver);font-size:16.5px;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content a{color:#7fb0ff;border-bottom:1px solid rgba(127,176,255,.4)}
.article-content a:hover{color:#fff;border-color:var(--accent)}
.article-content strong{color:#fff;font-weight:700}
.article-content hr{border:0;height:1px;background:var(--line);margin:2.2em 0}
.article-content table{
  width:100%;margin:1.7em 0;border-collapse:collapse;
  font-size:15px;background:var(--bg-2);border:1px solid var(--line);border-radius:12px;
}
.article-content th,.article-content td{padding:12px 15px;text-align:left;border-bottom:1px solid var(--line-soft)}
.article-content th{background:rgba(44,123,255,.12);color:#fff;font-weight:600;font-size:14px;letter-spacing:.02em}
.article-content tr:last-child td{border-bottom:none}
.article-content tbody tr:hover{background:rgba(255,255,255,.03)}
.article-content pre{
  margin:1.7em 0;padding:18px 20px;overflow-x:auto;
  background:#0b1017;border:1px solid var(--line);border-radius:14px;
  font-size:14px;line-height:1.7;color:#cfe2ff;
}
.article-content code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}
.article-content :not(pre) > code{background:rgba(255,255,255,.075);padding:2px 7px;border-radius:6px;color:#cfe2ff}

/* ---------- Empty state ---------- */
.empty-state{
  text-align:center;padding:60px 28px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.empty-state .empty-icon{
  width:62px;height:62px;margin:0 auto 20px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-dim);border:1px solid rgba(255,106,43,.32);color:var(--accent);font-size:24px;
}
.empty-state h2{font-size:22px;margin-bottom:12px;color:#fff}
.empty-state p{color:var(--muted);font-size:15.5px;max-width:440px;margin:0 auto 26px}

/* ---------- Inline CTA bar ---------- */
.article-cta-bar{
  max-width:812px;margin:44px auto 0;
  display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
  padding:22px 26px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(44,123,255,.14),rgba(255,106,43,.09));
  border:1px solid rgba(44,123,255,.26);
  box-shadow:0 20px 50px rgba(0,0,0,.4);
}
.article-cta-bar .cta-text strong{display:block;font-size:16.5px;color:#fff;margin-bottom:5px}
.article-cta-bar .cta-text span{font-size:14px;color:var(--muted)}

/* ---------- Back to column ---------- */
.back-column{max-width:812px;margin:28px auto 0;display:flex;flex-wrap:wrap;gap:12px}
.back-column a{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;
  border-radius:999px;font-size:14.5px;color:var(--silver);
  background:var(--glass);border:1px solid var(--line-soft);
}
.back-column a:hover{color:#fff;border-color:var(--primary);background:var(--glass-2)}

/* ---------- Related cards ---------- */
.card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--glass);border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:transform var(--ease-fast),border-color var(--ease-fast),box-shadow var(--ease-fast);
}
.card::before{
  content:"";position:absolute;top:0;left:18px;right:18px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(44,123,255,.55),transparent);
  opacity:0;transition:opacity var(--ease-fast);
}
.card:hover{transform:translateY(-5px);border-color:rgba(44,123,255,.4);box-shadow:0 24px 56px rgba(0,0,0,.5),0 0 0 1px rgba(44,123,255,.18)}
.card:hover::before{opacity:1}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.05)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,19,.05),rgba(10,14,19,.72))}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:11px;flex:1}
.card-body h3{font-size:17.5px;line-height:1.45;color:#fff}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.72}
.card-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:7px}
.card-link i{transition:transform var(--ease-fast)}
.card:hover .card-link i{transform:translateX(4px)}

.card-grid{display:grid;gap:22px;grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:40px;
  padding:70px 0 26px;
  background:linear-gradient(180deg,rgba(16,22,29,.5),rgba(10,14,19,.95));
  border-top:1px solid var(--line-soft);
}
.footer-grid{display:grid;gap:38px;grid-template-columns:1.5fr 1fr 1fr 1.1fr}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;margin-bottom:16px}
.brand-dot{width:11px;height:11px;border-radius:3px;background:var(--accent);box-shadow:0 0 14px rgba(255,106,43,.8);flex:none}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.85;max-width:340px}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.04em;margin-bottom:16px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14px;color:var(--muted)}
.footer-col ul a:hover{color:var(--accent)}
.footer-qr{
  margin-top:16px;width:118px;height:118px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12.5px;color:var(--muted);line-height:1.6;
  background:var(--glass);border:1px dashed rgba(184,196,206,.28);
}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(147,162,176,.85);
}

/* ---------- Back to top ---------- */
.back-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(16,22,29,.92);border:1px solid var(--line);color:var(--text);
  cursor:pointer;opacity:0;visibility:hidden;
  transition:opacity var(--ease-fast),visibility var(--ease-fast),transform var(--ease-fast),border-color var(--ease-fast);
}
.back-top:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px)}
.back-top.is-visible{opacity:1;visibility:visible}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .grid-container{padding-left:22px;padding-right:22px}
}
@media (max-width:1024px){
  :root{--space:72px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-shell{padding:8px 10px 8px 18px}
  .section{padding:72px 0}
  .article-hero{padding:44px 0 38px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  :root{--space:52px}
  body{font-size:16px}
  .grid-container{padding-left:18px;padding-right:18px}
  .brand{font-size:16.5px}
  .nav-actions .btn{display:none}
  .section{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .article-hero{padding:34px 0 32px}
  .article-head h1{font-size:24px;line-height:1.32;margin:14px 0 16px}
  .article-body-section{padding:36px 0 12px}
  .article-content{font-size:16px;line-height:1.86}
  .article-content h2{font-size:20px;padding-left:14px}
  .article-content h3{font-size:18px}
  .article-content table{font-size:14px}
  .article-content th,.article-content td{padding:10px 12px}
  .article-cta-bar{padding:20px;margin-top:34px;flex-direction:column;align-items:flex-start}
  .article-cta-bar .btn{width:100%}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .mobile-drawer{padding:96px 18px 40px}
}
@media (max-width:520px){
  .breadcrumb [aria-current]{max-width:100%;white-space:normal}
  .article-meta{gap:8px 16px;font-size:13px}
  .empty-state{padding:44px 20px}
  .back-top{right:14px;bottom:18px;width:44px;height:44px}
}

/* roulang page: category1 */
:root{
  --bg:#0A0E13;
  --panel:#10161D;
  --panel-2:#141C25;
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.08);
  --line:rgba(184,196,206,.16);
  --line-blue:rgba(44,123,255,.5);
  --primary:#2C7BFF;
  --primary-soft:rgba(44,123,255,.14);
  --accent:#FF6A2B;
  --accent-soft:rgba(255,106,43,.14);
  --green:#35D0A5;
  --silver:#B8C4CE;
  --text:#E6EDF3;
  --muted:#93A2B0;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 20px 50px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.35);
  --pad-x:24px;
  --sec-y:96px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(184,196,206,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(184,196,206,.04) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .16s ease,background-color .16s ease,border-color .16s ease;}
a:hover{color:var(--accent);}
p{margin:0 0 12px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.32;font-weight:700;color:var(--text);letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.4vw,50px);letter-spacing:-.02em;}
h2{font-size:clamp(24px,2.6vw,34px);letter-spacing:-.015em;}
h3{font-size:clamp(18px,1.7vw,22px);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
.num,.metric,time{font-variant-numeric:tabular-nums;}

.grid-container{max-width:1240px;padding-left:var(--pad-x);padding-right:var(--pad-x);}
.grid-margin-x{margin-left:-12px !important;margin-right:-12px !important;}
.grid-margin-x>.cell{width:calc(100% - 24px);margin-left:12px;margin-right:12px;}
.grid-margin-y{margin-top:-12px !important;}
.grid-margin-y>.cell{margin-top:12px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:14px 0;
  transition:padding .18s ease,background-color .18s ease;
}
.site-header::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(10,14,19,.86),rgba(10,14,19,0));
  pointer-events:none;
}
.nav-shell{
  display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 20px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(16,22,29,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 10px 30px rgba(0,0,0,.34);
  transition:background-color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(10,14,19,.94);
  border-color:rgba(44,123,255,.28);
  box-shadow:0 18px 44px rgba(0,0,0,.55);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--text);letter-spacing:-.02em;
  white-space:nowrap;min-height:44px;
}
.brand:hover{color:var(--text);}
.brand-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 12px rgba(255,106,43,.9);
  flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px;color:var(--muted);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:var(--glass);}
.nav-links a.active{
  color:#fff;
  background:var(--primary-soft);
  box-shadow:inset 0 0 0 1px rgba(44,123,255,.45);
}
.nav-cta{margin-left:6px;}
.nav-toggle{
  display:none;
  width:46px;height:46px;flex:0 0 auto;
  border:1px solid var(--line);border-radius:14px;
  background:var(--glass);
  color:var(--text);cursor:pointer;
  align-items:center;justify-content:center;
  transition:border-color .16s ease,background-color .16s ease;
}
.nav-toggle:hover{border-color:var(--line-blue);background:var(--glass-2);}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--text);border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
  transition:transform .18s ease,top .18s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

.mobile-drawer{
  position:fixed;inset:0;z-index:90;
  display:none;
  padding:88px 20px 32px;
  background:rgba(8,11,15,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 18px;margin-bottom:10px;
  border:1px solid var(--line);border-radius:16px;
  background:var(--glass);
  font-size:17px;color:var(--text);
}
.mobile-drawer a.active{border-color:var(--line-blue);background:var(--primary-soft);color:#fff;}
.mobile-drawer .drawer-cta{
  margin-top:18px;
  background:var(--accent);color:#14100C;
  border-color:transparent;font-weight:600;
  justify-content:center;
  box-shadow:0 6px 22px rgba(255,106,43,.38);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease;
}
.btn-primary{
  background:var(--accent);color:#14100C;
  box-shadow:0 6px 22px rgba(255,106,43,.38);
}
.btn-primary:hover{background:#ff814e;color:#14100C;transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,106,43,.5);}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 6px 18px rgba(255,106,43,.4);}
.btn-primary:disabled{opacity:.5;box-shadow:none;transform:none;cursor:not-allowed;}
.btn-ghost{
  background:transparent;color:var(--text);
  border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--line-blue);background:var(--glass);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(-1px);}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;}

/* ---------- 通用块 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(44,123,255,.12);
  border:1px solid rgba(44,123,255,.32);
  color:#9CC3FF;font-size:13px;font-weight:600;letter-spacing:.02em;
}
.eyebrow{
  display:inline-block;margin-bottom:12px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--primary);text-transform:uppercase;
}
.section{padding:var(--sec-y) 0;position:relative;}
.section-alt{
  background:linear-gradient(180deg,rgba(16,22,29,0),rgba(16,22,29,.72) 12%,rgba(16,22,29,.72) 88%,rgba(16,22,29,0));
  border-top:1px solid rgba(184,196,206,.08);
  border-bottom:1px solid rgba(184,196,206,.08);
}
.section-head{max-width:720px;margin-bottom:46px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-desc{color:var(--muted);font-size:16px;margin:0;}
.divider{height:1px;background:linear-gradient(90deg,rgba(184,196,206,.24),rgba(184,196,206,0));border:0;margin:0;}

.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:18px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb span[aria-current]{color:var(--silver);}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  padding:70px 0 78px;
  overflow:hidden;
  border-bottom:1px solid rgba(184,196,206,.1);
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.3;
  filter:saturate(.85);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 78% 18%,rgba(44,123,255,.28),transparent 62%),
    linear-gradient(105deg,rgba(10,14,19,.97) 0%,rgba(10,14,19,.82) 45%,rgba(10,14,19,.6) 100%);
}
.hero-scale{
  position:absolute;left:0;right:0;bottom:0;height:26px;
  background-image:repeating-linear-gradient(90deg,rgba(184,196,206,.28) 0 1px,transparent 1px 44px);
  opacity:.4;
}
.page-hero .grid-container{position:relative;z-index:2;}
.page-hero h1{max-width:16em;margin-bottom:14px;}
.hero-sub{
  max-width:620px;color:var(--silver);font-size:17px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  padding-top:22px;border-top:1px solid rgba(184,196,206,.14);
  font-size:14px;color:var(--muted);
}
.hero-meta li{display:flex;align-items:center;gap:8px;}
.hero-meta li::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--green);box-shadow:0 0 10px rgba(53,208,165,.8);
}

/* ---------- 交错图文 ---------- */
.split{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:52px;
  align-items:center;
  padding:34px 0;
  border-bottom:1px solid rgba(184,196,206,.1);
}
.split:last-child{border-bottom:0;padding-bottom:0;}
.split.reverse .split-media{order:2;}
.split-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid rgba(184,196,206,.16);
  box-shadow:var(--shadow);
  background:var(--panel);
}
.split-media img{width:100%;height:340px;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,19,0) 45%,rgba(10,14,19,.7));
  pointer-events:none;
}
.split-media .media-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(10,14,19,.72);
  border:1px solid rgba(44,123,255,.4);
  font-size:13px;color:#9CC3FF;
}
.split-body .num{
  display:inline-block;margin-bottom:10px;
  font-size:14px;font-weight:700;letter-spacing:.16em;
  color:var(--accent);
}
.split-body p{color:var(--muted);font-size:16px;}
.dot-list{margin-top:16px;display:grid;gap:10px;}
.dot-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:var(--silver);
}
.dot-list li::before{
  content:"";flex:0 0 auto;margin-top:9px;
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 8px rgba(44,123,255,.8);
}

/* ---------- 流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:16px;
}
.step{
  position:relative;
  padding:26px 20px 24px;
  border-radius:var(--r-card);
  border:1px solid rgba(184,196,206,.16);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  box-shadow:var(--shadow-soft);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.step:hover{
  border-color:rgba(44,123,255,.55);
  transform:translateY(-4px);
  box-shadow:0 22px 46px rgba(0,0,0,.5);
}
.step::before{
  content:"";position:absolute;top:0;left:20px;right:20px;height:1px;
  background:linear-gradient(90deg,rgba(44,123,255,.8),rgba(255,106,43,.5),transparent);
}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;margin-bottom:14px;
  border-radius:12px;
  background:var(--primary-soft);
  border:1px solid rgba(44,123,255,.4);
  color:#9CC3FF;font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);margin:0;line-height:1.7;}
.step-dash{
  position:absolute;top:44px;right:-11px;
  width:22px;height:1px;
  background:repeating-linear-gradient(90deg,rgba(184,196,206,.5) 0 4px,transparent 4px 8px);
}
.step:last-child .step-dash{display:none;}

/* ---------- 覆盖范围列表 ---------- */
.coverage-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;}
.coverage-side{position:sticky;top:110px;}
.coverage-side p{color:var(--muted);font-size:15px;}
.coverage-note{
  margin-top:20px;padding:18px 20px;
  border-radius:var(--r-card);
  border:1px solid rgba(53,208,165,.3);
  background:rgba(53,208,165,.07);
  font-size:14px;color:#B7EBDC;
}
.coverage-list{border-top:1px solid rgba(184,196,206,.16);}
.coverage-item{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:6px 20px;
  align-items:baseline;
  padding:22px 4px;
  border-bottom:1px solid rgba(184,196,206,.14);
  transition:background-color .16s ease,padding-left .16s ease;
}
.coverage-item:hover{background:rgba(255,255,255,.03);padding-left:12px;}
.coverage-item .idx{
  font-size:13px;font-weight:700;color:var(--primary);
  letter-spacing:.1em;font-variant-numeric:tabular-nums;
}
.coverage-item h3{font-size:17px;margin:0;}
.coverage-item .items{
  grid-column:2 / 3;
  font-size:14px;color:var(--muted);
}
.coverage-item .time{
  grid-column:3 / 4;grid-row:1 / 2;
  font-size:13px;color:var(--green);white-space:nowrap;
  font-variant-numeric:tabular-nums;
}

/* ---------- 承诺条 ---------- */
.assure-grid{margin-top:8px;}
.assure{
  height:100%;
  padding:26px 24px;
  border-radius:var(--r-card);
  border:1px solid rgba(184,196,206,.16);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  box-shadow:var(--shadow-soft);
  transition:border-color .18s ease,transform .18s ease;
}
.assure:hover{border-color:rgba(255,106,43,.45);transform:translateY(-4px);}
.assure .ico{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;margin-bottom:14px;
  border-radius:12px;
  border:1px solid rgba(255,106,43,.4);
  background:var(--accent-soft);
  color:var(--accent);font-size:18px;font-weight:700;
}
.assure h3{font-size:18px;margin-bottom:8px;}
.assure p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid rgba(184,196,206,.16);}
.faq-item{border-bottom:1px solid rgba(184,196,206,.14);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;min-height:64px;padding:18px 4px;
  background:transparent;border:0;cursor:pointer;
  color:var(--text);font-size:17px;font-weight:600;text-align:left;
  transition:color .16s ease,padding-left .16s ease;
}
.faq-q:hover{color:var(--accent);padding-left:10px;}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:10px;}
.faq-icon{
  position:relative;flex:0 0 auto;
  width:22px;height:22px;border-radius:50%;
  border:1px solid rgba(44,123,255,.45);
  transition:transform .2s ease,background-color .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;
  background:#9CC3FF;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.6px;}
.faq-icon::after{width:1.6px;height:10px;transition:opacity .2s ease;}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--primary-soft);}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease,padding .24s ease;
}
.faq-item.open .faq-a{max-height:240px;padding-bottom:20px;}
.faq-a p{margin:0;padding-right:46px;font-size:15px;color:var(--muted);}

/* ---------- CTA 与表单 ---------- */
.cta-band{
  position:relative;
  border-radius:24px;
  border:1px solid rgba(44,123,255,.28);
  background:
    radial-gradient(700px 320px at 12% 0%,rgba(44,123,255,.2),transparent 60%),
    linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  box-shadow:var(--shadow);
  padding:44px;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:22px;
  background-image:repeating-linear-gradient(90deg,rgba(184,196,206,.22) 0 1px,transparent 1px 40px);
  opacity:.5;
}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:44px;position:relative;z-index:2;}
.cta-copy h2{margin-bottom:12px;}
.cta-copy p{color:var(--muted);font-size:15px;}
.cta-contact{display:grid;gap:14px;margin-top:24px;}
.cta-contact li{
  display:flex;justify-content:space-between;gap:16px;
  padding:13px 16px;
  border:1px solid rgba(184,196,206,.16);
  border-radius:14px;
  background:rgba(10,14,19,.5);
  font-size:14px;
}
.cta-contact li span:first-child{color:var(--muted);}
.cta-contact li span:last-child{color:var(--silver);font-weight:600;}

.form-panel{
  padding:26px 24px;
  border-radius:var(--r-card);
  border:1px solid rgba(184,196,206,.18);
  background:rgba(10,14,19,.62);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.field{margin-bottom:16px;}
.field label{
  display:block;margin-bottom:7px;
  font-size:13px;color:var(--muted);font-weight:600;
}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid rgba(184,196,206,.2);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:15px;
  transition:border-color .16s ease,box-shadow .16s ease,background-color .16s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(147,162,176,.65);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(44,123,255,.08);
  box-shadow:0 0 0 3px rgba(44,123,255,.18);
}
.field.has-error input,.field.has-error select{border-color:#FF5C5C;box-shadow:0 0 0 3px rgba(255,92,92,.16);}
.field .err{display:none;margin-top:6px;font-size:12.5px;color:#FF8A8A;}
.field.has-error .err{display:block;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field select option{background:#10161D;color:var(--text);}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);margin:4px 0 20px;}
.check-line input{width:18px;height:18px;min-height:auto;margin-top:4px;accent-color:var(--accent);flex:0 0 auto;}
.form-panel .btn{width:100%;}
.form-msg{
  display:none;margin-top:14px;padding:12px 14px;
  border-radius:12px;font-size:14px;
  background:rgba(53,208,165,.1);
  border:1px solid rgba(53,208,165,.35);
  color:#B7EBDC;
}
.form-msg.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sec-y);
  border-top:1px solid rgba(184,196,206,.14);
  background:linear-gradient(180deg,rgba(16,22,29,.5),rgba(10,14,19,.95));
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:36px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;margin-bottom:12px;
}
.footer-col p{font-size:14px;color:var(--muted);margin:0;max-width:32ch;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul li a{font-size:14px;color:var(--muted);}
.footer-col ul li a:hover{color:var(--accent);}
.footer-qr{
  margin-top:16px;
  display:inline-flex;align-items:center;justify-content:center;
  width:112px;height:112px;
  border-radius:14px;
  border:1px dashed rgba(184,196,206,.3);
  background:rgba(255,255,255,.03);
  font-size:12px;color:var(--muted);text-align:center;padding:10px;
}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(184,196,206,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid rgba(44,123,255,.4);
  background:rgba(16,22,29,.86);
  color:var(--text);font-size:18px;cursor:pointer;
  box-shadow:0 12px 28px rgba(0,0,0,.45);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease,border-color .16s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{border-color:var(--accent);color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec-y:72px;--pad-x:20px;}
  .nav-links a{padding:0 11px;font-size:14px;}
  .split{gap:34px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step-dash{display:none;}
  .coverage-wrap{grid-template-columns:1fr;gap:26px;}
  .coverage-side{position:static;}
  .cta-inner{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}

@media (max-width:768px){
  :root{--sec-y:56px;}
  body{font-size:16px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-shell{padding:8px 10px 8px 16px;}
  .brand{font-size:17px;}
  .page-hero{padding:44px 0 56px;}
  .split{grid-template-columns:1fr;gap:22px;padding:26px 0;}
  .split.reverse .split-media{order:0;}
  .split-media img{height:230px;}
  .steps{grid-template-columns:1fr;}
  .coverage-item{grid-template-columns:auto 1fr;gap:4px 14px;}
  .coverage-item .time{grid-column:2 / 3;grid-row:auto;margin-top:4px;}
  .cta-band{padding:28px 20px;border-radius:20px;}
  .faq-a p{padding-right:0;}
  .footer-grid{grid-template-columns:1fr;}
  .to-top{right:14px;bottom:16px;}
}

@media (max-width:480px){
  :root{--pad-x:16px;}
  h1{font-size:27px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-meta{flex-direction:column;gap:8px;}
  .cta-contact li{flex-direction:column;gap:4px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --bg:#0A0E13;
  --panel:#10161D;
  --panel-2:#141C25;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --primary:#2C7BFF;
  --primary-dim:rgba(44,123,255,.16);
  --accent:#FF6A2B;
  --accent-dim:rgba(255,106,43,.14);
  --silver:#B8C4CE;
  --green:#35D0A5;
  --text:#E6EDF3;
  --muted:#93A2B0;
  --line:rgba(184,196,206,.16);
  --line-strong:rgba(184,196,206,.30);
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 20px 50px rgba(0,0,0,.45);
  --glow-accent:0 6px 22px rgba(255,106,43,.38);
  --gap:24px;
  --sec:96px;
  --font:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(184,196,206,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(184,196,206,.045) 1px,transparent 1px);
  background-size:48px 48px,48px 48px;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 420px at 82% -6%,rgba(44,123,255,.16),transparent 65%),
    radial-gradient(700px 380px at 6% 32%,rgba(255,106,43,.07),transparent 70%);
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);}
a{color:var(--text);text-decoration:none;transition:color .16s ease,border-color .16s ease,background-color .16s ease;}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
main{position:relative;z-index:1;}
.grid-container{max-width:1240px;width:100%;margin:0 auto;padding-left:24px;padding-right:24px;}
.sec{padding:var(--sec) 0;}
.sec-tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.35;font-weight:700;letter-spacing:-.01em;}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--silver);
  text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);display:inline-block;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;color:var(--silver);
  background:var(--glass);border:1px solid var(--line);
}
.badge-accent{color:#FFD3BF;background:var(--accent-dim);border-color:rgba(255,106,43,.34);}
.badge-primary{color:#BFD6FF;background:var(--primary-dim);border-color:rgba(44,123,255,.34);}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:16px 0 8px;
  transition:padding .18s ease;
}
.site-header.scrolled{padding:8px 0 6px;}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  max-width:1240px;margin:0 auto;
  padding:10px 12px 10px 20px;
  border-radius:var(--r-pill);
  background:rgba(16,22,29,.72);
  border:1px solid var(--line);
  box-shadow:0 12px 34px rgba(0,0,0,.36);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:background-color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.site-header.scrolled .nav-shell{background:rgba(10,14,19,.92);box-shadow:0 16px 42px rgba(0,0,0,.55);border-color:var(--line-strong);}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;white-space:nowrap;letter-spacing:-.01em;}
.brand .brand-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 12px rgba(255,106,43,.85);
  flex:0 0 auto;
}
.brand span.brand-sub{color:var(--muted);font-weight:500;font-size:12.5px;letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--muted);
}
.nav-links a:hover{color:var(--text);background:var(--glass);}
.nav-links a.active{color:#fff;background:var(--primary-dim);border:1px solid rgba(44,123,255,.36);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);color:var(--silver);
  align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{color:#fff;border-color:var(--line-strong);background:var(--glass);}
.mobile-drawer{
  display:none;margin:10px auto 0;max-width:1240px;
  border-radius:20px;border:1px solid var(--line);
  background:rgba(10,14,19,.97);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);padding:14px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;min-height:48px;padding:0 12px;
  border-radius:12px;color:var(--silver);font-size:16px;
}
.mobile-drawer a + a{margin-top:4px;}
.mobile-drawer a:hover,.mobile-drawer a.active{background:var(--glass);color:#fff;}
.mobile-drawer .btn{width:100%;justify-content:center;margin-top:10px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,border-color .16s ease,color .16s ease,filter .16s ease;
}
.btn-primary{background:var(--accent);color:#1A0C04;box-shadow:var(--glow-accent);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,106,43,.5);color:#1A0C04;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(255,106,43,.34);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong);}
.btn-ghost:hover{border-color:var(--primary);color:#fff;background:var(--primary-dim);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn:disabled,.btn.is-disabled{opacity:.5;box-shadow:none;cursor:not-allowed;transform:none;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14.5px;font-weight:600;}
.text-link i{transition:transform .16s ease;}
.text-link:hover{color:var(--accent);}
.text-link:hover i{transform:translateX(3px);}

/* ---------- Hero ---------- */
.cat-hero{position:relative;padding:64px 0 72px;overflow:hidden;}
.cat-hero .hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(10,14,19,.95) 0%,rgba(10,14,19,.82) 46%,rgba(10,14,19,.5) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  z-index:-1;
}
.cat-hero .hero-bg::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:rgba(147,162,176,.55);}
.breadcrumb .current{color:var(--silver);}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,50px);
  line-height:1.22;font-weight:800;letter-spacing:-.02em;
  margin:16px 0 0;
}
.cat-hero h1 em{font-style:normal;color:var(--accent);}
.cat-hero .hero-lede{margin-top:18px;max-width:640px;color:var(--silver);font-size:17px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:34px;
  font-size:14px;color:var(--muted);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--primary);}
.hero-visual{
  position:relative;margin-top:34px;
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.hero-visual img{width:100%;height:340px;object-fit:cover;border-radius:0;}
.hero-visual .tag-row{
  position:absolute;left:18px;bottom:18px;display:flex;flex-wrap:wrap;gap:8px;
}
.hero-visual .tag-row .badge{background:rgba(10,14,19,.72);backdrop-filter:blur(8px);}

/* ---------- 要点清单 ---------- */
.point-panel{
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.point-list li{
  display:flex;gap:18px;padding:20px 0;border-top:1px solid var(--line);
}
.point-list li:last-child{border-bottom:1px solid var(--line);}
.point-list .num{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  color:#BFD6FF;background:var(--primary-dim);border:1px solid rgba(44,123,255,.3);
}
.point-list h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.point-list p{color:var(--muted);font-size:15.5px;}
.point-figure{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.point-figure img{width:100%;height:100%;min-height:380px;object-fit:cover;border-radius:0;}
.point-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;
  background:linear-gradient(to top,rgba(10,14,19,.92),transparent);
  font-size:14px;color:var(--silver);
}

/* ---------- 卡片网格 ---------- */
.gear-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.gear-card{
  background:linear-gradient(180deg,var(--glass-strong),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:0 14px 34px rgba(0,0,0,.34);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.gear-card:hover{transform:translateY(-4px);border-color:rgba(44,123,255,.5);box-shadow:0 22px 50px rgba(0,0,0,.5);}
.gear-card .card-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.gear-card .card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.gear-card:hover .card-media img{transform:scale(1.04);}
.gear-card .card-media .badge{position:absolute;left:14px;top:14px;background:rgba(10,14,19,.75);backdrop-filter:blur(6px);}
.gear-card .card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.gear-card h3{font-size:19px;font-weight:700;}
.gear-card p{font-size:15px;color:var(--muted);}
.gear-card .card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);}
.gear-card .icon-chip{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--primary);font-size:16px;
  transition:color .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.gear-card:hover .icon-chip{color:var(--accent);border-color:rgba(255,106,43,.45);box-shadow:0 0 18px rgba(255,106,43,.24);}

/* ---------- 步骤流（票券式） ---------- */
.steps{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  box-shadow:var(--shadow);overflow:hidden;
}
.step{
  position:relative;padding:28px 22px 30px;
  border-right:1px dashed rgba(184,196,206,.22);
}
.step:last-child{border-right:0;}
.step .step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  font-size:13.5px;font-weight:700;font-variant-numeric:tabular-nums;
  color:#1A0C04;background:var(--accent);box-shadow:var(--glow-accent);
}
.step h3{margin-top:16px;font-size:17.5px;font-weight:700;}
.step p{margin-top:8px;font-size:14.5px;color:var(--muted);}
.step .step-time{margin-top:14px;font-size:13px;color:var(--green);font-variant-numeric:tabular-nums;}

/* ---------- 适配清单 ---------- */
.fit-list{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:rgba(255,255,255,.03);}
.fit-row{
  display:grid;grid-template-columns:180px 1fr auto;gap:20px;align-items:center;
  padding:20px 24px;border-bottom:1px solid var(--line);
  transition:background-color .16s ease;
}
.fit-row:last-child{border-bottom:0;}
.fit-row:hover{background:var(--glass);}
.fit-row .fit-name{font-weight:700;font-size:16.5px;display:flex;align-items:center;gap:10px;}
.fit-row .fit-name i{color:var(--primary);font-size:15px;}
.fit-row .fit-desc{font-size:14.8px;color:var(--muted);}
.fit-row .fit-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:600;text-align:left;
  transition:color .16s ease;
}
.faq-q:hover{color:var(--accent);}
.faq-q .faq-icon{
  position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--silver);
}
.faq-q .faq-icon::before,.faq-q .faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;
  transform:translate(-50%,-50%);transition:transform .16s ease,opacity .16s ease;
}
.faq-q .faq-icon::before{width:11px;height:1.5px;}
.faq-q .faq-icon::after{width:1.5px;height:11px;}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-q[aria-expanded="true"]{color:var(--accent);}
.faq-a{padding:0 4px 24px;color:var(--muted);font-size:15.6px;max-width:760px;}

/* ---------- CTA 与表单 ---------- */
.cta-panel{
  border-radius:26px;border:1px solid var(--line);
  background:
    radial-gradient(560px 260px at 88% 0%,rgba(255,106,43,.14),transparent 62%),
    linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  box-shadow:var(--shadow);
  padding:44px;
  display:grid;grid-template-columns:1fr 1fr;gap:44px;
}
.cta-panel h2{font-size:clamp(23px,2.4vw,32px);line-height:1.34;font-weight:700;}
.cta-panel .cta-lede{margin-top:14px;color:var(--muted);font-size:16px;}
.contact-list{margin-top:26px;display:grid;gap:14px;}
.contact-list li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:var(--silver);}
.contact-list i{color:var(--primary);margin-top:5px;}
.form-panel{display:grid;gap:16px;}
.field label{display:block;font-size:13.5px;color:var(--silver);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:12px;
  background:rgba(10,14,19,.75);color:var(--text);
  border:1px solid var(--line);outline:none;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(44,123,255,.18);
}
.field.has-error input,.field.has-error select{border-color:#FF6A6A;box-shadow:0 0 0 3px rgba(255,106,106,.14);}
.field .err{display:none;margin-top:6px;font-size:12.5px;color:#FF9A9A;}
.field.has-error .err{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);}
.check-row input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--accent);}
.form-ok{
  display:none;padding:14px 16px;border-radius:12px;font-size:14px;
  color:#B6F3E2;background:rgba(53,208,165,.12);border:1px solid rgba(53,208,165,.35);
}
.form-ok.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:20px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(10,14,19,.9));
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px;}
.footer-brand .brand-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px rgba(255,106,43,.85);}
.footer-col p{color:var(--muted);font-size:14.6px;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--silver);}
.footer-col ul li + li{margin-top:10px;}
.footer-col ul a{color:var(--muted);font-size:14.6px;display:inline-flex;align-items:center;min-height:32px;}
.footer-col ul a:hover{color:var(--accent);}
.footer-qr{
  margin-top:16px;width:112px;height:112px;border-radius:14px;
  border:1px dashed var(--line-strong);background:var(--glass);
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;color:var(--muted);text-align:center;padding:10px;
}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  display:none;align-items:center;justify-content:center;
  background:rgba(16,22,29,.92);border:1px solid var(--line-strong);color:var(--silver);
  box-shadow:0 14px 30px rgba(0,0,0,.45);backdrop-filter:blur(10px);
}
.to-top.show{display:flex;}
.to-top:hover{color:var(--accent);border-color:rgba(255,106,43,.5);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  :root{--sec:80px;}
  .steps{grid-template-columns:repeat(3,1fr);}
  .step{border-bottom:1px dashed rgba(184,196,206,.22);}
  .step:nth-child(3n){border-right:0;}
}
@media screen and (max-width:1023px){
  :root{--sec:72px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .point-panel{grid-template-columns:1fr;gap:30px;}
  .point-figure img{min-height:300px;}
  .gear-grid{grid-template-columns:repeat(2,1fr);}
  .fit-row{grid-template-columns:150px 1fr;gap:14px;}
  .fit-row .fit-tags{grid-column:2;justify-content:flex-start;}
  .cta-panel{grid-template-columns:1fr;padding:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:767px){
  :root{--sec:48px;}
  body{font-size:16px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .site-header{padding:10px 0 6px;}
  .nav-shell{padding:8px 10px 8px 14px;gap:10px;}
  .brand{font-size:16px;}
  .brand span.brand-sub{display:none;}
  .nav-actions .btn-primary{display:none;}
  .cat-hero{padding:34px 0 48px;}
  .hero-actions .btn{width:100%;}
  .hero-visual img{height:230px;}
  .gear-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .step{border-right:0;}
  .fit-row{grid-template-columns:1fr;gap:10px;}
  .fit-row .fit-tags{grid-column:1;}
  .cta-panel{padding:24px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .to-top{right:14px;bottom:16px;}
}
@media screen and (max-width:479px){
  .cat-hero h1{font-size:26px;}
  .sec-head h2{font-size:22px;}
  .point-list .num{width:38px;height:38px;}
}